938642 has 4 divisors (see below), whose sum is σ = 1407966. Its totient is φ = 469320.

The previous prime is 938617. The next prime is 938659. The reversal of 938642 is 246839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 707281 + 231361 = 841^2 + 481^2 .

It is a junction number, because it is equal to n+sod(n) for n = 938599 and 938608.

It is an unprimeable number.

938642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234659 + ... + 234662.

2⁹³⁸⁶⁴² is an apocalyptic number.

938642 is a deficient number, since it is larger than the sum of its proper divisors (469324).

938642 is a wasteful number, since it uses less digits than its factorization.

938642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469323.

The product of its digits is 10368, while the sum is 32.

The square root of 938642 is about 968.8353833340. The cubic root of 938642 is about 97.9114151602.

The spelling of 938642 in words is "nine hundred thirty-eight thousand, six hundred forty-two".